Zhong Yao

Zhong Yao (151-230) was Grand Administrator of Chang'an under Cao Wei.

Biography
Zhong Yao served under Cao Cao and was made the Grand Administrator of Chang'an, formerly a student of calligraphy under Cai Yong. In 226 he was made Grand Tutor of Wei after Cao Rui became the new Wei Emperor, and is known as "The Father of Standard Script" for his contributions to calligraphy.